Will your watch ever be an hour behind? Will the sun set later and nights become longer in the future? It sounds like a story from a science fiction film, but scientific research is indicating something else. There is a very slow, but continuous change in the movement of the Earth. This change is so subtle that we cannot feel it in everyday life, but this process can make a day in future not 24 but 25 hours.

How stable is Earth’s 24-hour day?

The 24-hour day we consider normal is actually an average value. In scientific language it is called solar day, i.e. the time between the Sun appearing in the same position in the sky twice. But the rotation speed of the Earth is not completely constant. It changes very slowly with time and due to this the length of the day also keeps increasing and decreasing subtly.

Why is the Earth’s speed slowing down?

According to scientific studies, the Earth’s rotation is slowing down at the rate of a few milliseconds per century. This change shows its impact not in minutes or hours but over thousands and millions of years. Many natural factors have a combined effect on the movement of the Earth, in which the Moon is considered to play the most important role.

Moon’s gravity and tides

The Moon creates tides in the Earth’s oceans. These tides do not remain completely in line with the Earth, but lag behind a little due to friction. This imbalance has a brake-like effect on the Earth’s rotation. As a result, the rotational energy of the Earth gradually decreases. Due to this process, the Moon is moving away from the Earth by about 3.8 centimeters every year and the length of the day is increasing.

Climate change and melting ice

Reports from NASA and other international agencies show that the ice of Greenland and Antarctica is melting rapidly. Shrinking glaciers, rising sea levels and overexploitation of groundwater are changing the distribution of the Earth’s mass. When mass moves here and there on the Earth, it affects its rotation speed and the position of its axis. This increases the length of the day at the level of milliseconds.

Earth’s internal changes are also responsible

The Earth’s mantle and core are not completely stable. Movements within them, seismic activities and changes in internal structure also have a very subtle effect on the rotation. These effects are not directly visible, but in the long run their effect is recorded on the length of the day.

difference between solar day and sidereal day

Scientists measure the day in two ways. The solar day is measured based on the Sun, while the sidereal day is the time it takes for the Earth to complete one rotation relative to distant stars. The sidereal day is about four minutes shorter than the solar day. Slight fluctuations are recorded in both of these over time, which indicate changes in the Earth’s rotation speed.

How do scientists measure the length of the day?

With the help of modern geodesy techniques, scientists measure the movement of the Earth with utmost accuracy. It includes atomic clocks, satellite laser ranging, radio signals from distant quasars and more than 100 years of data. In recent years, these data have also been made more accurate through machine learning based analysis.

When will there be a 25 hour day?

This question is as exciting as it is related to the distant future. According to current scientific estimates, it may take about 200 million years for this level of change to occur in the Earth-Moon system. That means a 25-hour day will not be possible in our lifetime or that of many future generations, but in the very distant future.

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At present the temperature is increasing very fast. Global warming is believed to be the reason for this. Meanwhile, a shocking thing has come to light in the report of the World Meteorological Organization (WMO). According to this, between the years 2025 and 2029, the average temperature of the Earth is expected to be more than 1.5 °C compared to the years 1850-1900. Not only this, at least one year in the next 5 years is likely to be hotter than the hottest year till date, 2024.

According to the report, in the year 2024, the global average temperature had increased by 1.5 °C for the first time. This means that the 1.5 °C limit set by the Paris Agreement has now been temporarily exceeded.

Temperature will increase every year
The WMO report also provides that the average temperature may increase by 1.2 °C to 1.9 °C per year during 2025-29. Also, there is a possibility of heat in the Arctic region being three-four times stronger than the global average. Scientists say that every year an increase of 0.1 °C in temperature is considered dangerous, because it increases incidents like heatwave, drought, melting of snow and rise in sea level. In this way, increasing heat is increasing the risks to human life, agriculture, water resources and eco-system.

What does it mean for India-South Asia?
The report also emphasizes that the impact of heat may become more intense in areas like India and South Asia. Incidents like excessive rain, heatwave and glacier melting are going to increase rapidly here, which may impact farming, availability of water and people’s lifestyle. For this reason, scientists have appealed that people should pay attention to green energy. Plant as many trees as possible.

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Ten years after the Paris Agreement was adopted, a latest UN report says countries are making progress in reducing greenhouse gas emissions but the pace is not enough to avoid the worst effects of climate change.

According to the ‘2025 Nationally Determined Contributions (NDC) Synthesis Report’ released by UN Climate Change on Tuesday (October 28, 2025), 64 new national climate plans submitted between January 2024 and September 2025 will reduce emissions by about 17 percent compared to 2019 levels by 2035.

The report says this is real and growing progress, but “greater momentum” is still needed to achieve rapid and deep emissions reductions so that the benefits of strong climate action can reach all countries and people. Under the Paris Agreement, each country makes its own NDC i.e. climate action plan, in which targets for reducing emissions and measures to deal with the effects of climate change are decided.

The report shows that more than 90 percent of the countries missed the deadline of February 10, 2025 for submitting NDCs. The 64 countries that have submitted NDCs include the US, Russia, Japan, Brazil, Canada, Britain, Australia and Nigeria, while China, India, the European Union, Indonesia, Iran and Saudi Arabia have not yet submitted their plans.

UN Climate Change Executive Secretary Simon Steel said the figure shows both progress and the need for urgent action. He said, ‘After ten years we can say that the Paris Agreement is delivering real progress, but it needs to be faster and fairer.’

The report said 70 percent of countries have considered a just transition in their new NDCs, linking climate action to social protection and livelihoods. The report said that global temperature has increased by 1.3 degrees Celsius since the industrial era and to stay within the limit of 1.5 degrees Celsius, it is necessary to reduce emissions by 57 percent by 2035, which has become even more difficult.

There are many places in the world, which are ending for some reason or the other. In this list, an island is situated in the middle of the Bay of India and Bengal, named Numur. This island is now completely submerged. This island was also called Purbasha in India, while in Bangladesh, he was known as this South Talpatti. For years, both countries used to claim this island, but climate change has ended this dispute.

When was this island discovered

There has also been a dispute over India and Bangladesh over the island of Numur, although the island remained uninhabited. Here, India was hoisted by a ship of the Navy and then the BSF personnel were hoisted there. Then as the temperature started rising, the glaciers started melting. Due to the melting of the glacier, this island got into the water and as the whole dispute was resolved by nature itself. This island was present in Bay of Bengal. The island was discovered by an American satellite in 1970.

When did the pneumur get into the water

Actually this island was located between India and Bangladesh, so Bangladesh also claimed that it is its island. Both countries used to dispute this island fiercely, but then in the year 1980, due to increasing global warming, the island was absorbed in water till 2010. This island was continuously eroding since 1987, then it was deserted by the year 2000. Till then the BSF also vacated the outpost from there, but the patrolling of the Navy was going on. In 1990, the island was just three meters above sea.

This island absorbed in water before pneumur

In 1996, Lohachara Island was also submerged in water before the island of Pneumur. By 2006, this island, immersed in water, was also seen, after that the depth of water here had reached two-three meters. The worldwide was mourned about the end of this island. In the 2007, the Oscar film Fellowable was also given the model of iron with the trophy, stating that the world’s first island became a victim of global warming.

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We and everyone of you must have heard about words like global warming and climate change. Scientists are speculating that many cities around the world must have been underwater in the coming few years. Something similar is going to happen in America for which scientists have introduced a shocking study. This study is satellite based that reveals that 28 cities of the United States (US) have started underwater. This process is getting very slow but continuously. Let’s know in detail about the study.

Researchers at Virginia Tech have released a study that says that the 28 most densely populated cities in the US are constantly getting into the water. Of forbes Report According to, these cities also include names like New York City, Chicago, Dalas, and Denver. These cities are moving from 2mm to 10mm per year to sink from 0.08 inches to 0.4 inches. Virginia Tech used high resolution radar measurement to mapping the process in urban areas.

Researchers found in 28 cities that at least 20 percent of the land area is sinking in each city tested. And in 25 of these 28 cities, more than 65 percent of the land is sinking downwards. Due to this, there is a possibility of a serious threat to urban infrastructure systems in the coming time. There may be floods here. The coastal areas can absorb water and infrastructure can be completely destroyed.

According to the report published in Nature Cities, the cities of Texas have the highest sinking rate, with Houston the most affected. 40 percent of the city of Houston is sinking faster than 5mm per year, and 12 percent of it is faster than 10mm per year. Under the direction of Leonard Ohenhen, researchers connected about 80 percent of urban collapses with excessive groundwater exploitation, which is the result of increasing urban needs. Although natural geological activity is also important, human activities have now become the main cause of land collapse here.

Experts have warned that small changes can also weaken the structural integrity of roads, bridges, rail systems and other infrastructure. “This danger increases very slowly, it increases the ground from below,” Associate Professor Manuchar Shirzai said in Virginia Tech. Then if disasters come, very few people recognize it in the early stages. “

According to the report, although it can never be completely stopped, it requires more monitoring and legal action in relation to it. Emphasis should be laid on better satellite monitoring, changes in granting management and construction of strong infrastructure.

Air conditioner: As the summer is increasing, the demand for coolers, freeze, aircraft has also started increasing. In view of this, companies are also offering all kinds of offers, schemes to increase their cell. People are also getting AC installed in their homes to get some relief from scorching sun and heat. As a result of this, a record 14 million air conditioning units were sold in India last year.

Temperature is increasing from AC

Now it is obvious that as the demand for AC increases, the demand for electricity will also increase and still most of the electricity is produced by burning coal, which affects the climate.

In addition, poisonous gases emanating from the AC to the ozone layer, which damages the ozone layer like chlorophorocarbon (CFC) and Hydrochlorophylorocarbon (HCFC), cause global warming and increasing global warming.

However, before thinking so far, they are giving more attention to the immediate relief and as a result of this, the market is being sold in the market. India is the fastest growing air conditioning market in the world due to rising heat and demand, despite this, only seven percent houses have air conditioning units at present.

Increase India power generation

Experts believe that this boom means that the world’s most populous country will have to increase its production three times to meet the increasing power demand.

According to a government statement, the country of 1.4 billion people is at number three in the world in terms of emissions of Greenhouse gas, which increases the temperature of the Earth. One billion tonnes of coal were burnt in electricity generation in 2024-25 from above.

People’s deaths occur due to heat wave

According to the AFP report, K.J. Java said, “In today’s time, AC is no longer limited to luxury, but it has become necessary for good sleep at night, which is necessary for better physical and mental health.”

According to the Meteorological Department, 2024 was the hottest year in India since 1901. In May 2024 in New Delhi, the temperature reached a record high level of 49.2 degrees Celsius (120.5 ° F), just like 2022 due to heatwave. Between 2012 and 2021, about 11,000 people have died of heatstroke in India.

According to the United Nations Environmental Program Cool Coalition, by the year 2050, air conditioning will be a quarter of India’s emission and about half of the maximum demand for electricity across the country. However, the situation is also likely to improve as energy saving inverters are making more and more space in the AC market and companies also set a 24 ° C default temperature while selling units.

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